23223223 has 2 divisors, whose sum is σ = 23223224. Its totient is φ = 23223222.

The previous prime is 23223209. The next prime is 23223227. The reversal of 23223223 is 32232232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23223223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23223223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611611 + 11611612.

It is an arithmetic number, because the mean of its divisors is an integer number (11611612).

Almost surely, 2^23223223 is an apocalyptic number.

23223223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223223 is an equidigital number, since it uses as much as digits as its factorization.

23223223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 19.

The square root of 23223223 is about 4819.0479350179. The cubic root of 23223223 is about 285.3037614865.

Adding to 23223223 its reverse (32232232), we get a palindrome (55455455).

Subtracting 23223223 from its reverse (32232232), we obtain a palindrome (9009009).

It can be divided in two parts, 2 and 3223223, that multiplied together give a palindrome (6446446).

The spelling of 23223223 in words is "twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".